Amber

yes

Let me copy past what it said for @Hades0918

Amber was the daughter of Dr. Fuji, who died while she was still a child. She first appeared in 

The Birth of Mewtwo

 radio drama, released in CD format exclusively in Japan, and then in 

The Uncut Story of Mewtwo's Origin

 short, which was added to the beginning of 

Mewtwo Strikes Back

 in all television airings in Japan and in the Japanese home video releases from the third one onward.

Dr. Fuji's despair at losing his daughter led him to dedicate most of his life to research into cloning, with the belief that he would be able to create a clone of Amber if he discovered the secrets of recreating life. This led Giovanni to fund him, with the condition that he would also clone Mew, creating Mewtwo.

Both Mew and Amber were successfully cloned, and Amber's clone was named Ambertwo(Japanese: アイツー Itwo). While they were both growing inside test tubes on New Island, Mewtwo communicated with Ambertwo telepathically. Unfortunately for Fuji, Mewtwo's genetic makeup as a Pokémon and sheer force of power (and tears in the English dub) kept it alive while Ambertwo died. Fuji was heartbroken, but continued his work on Mewtwo with the hope that another try at cloning Amber would be more successful.

However, any hopes of seeing her actually alive died alongside Fuji, as Mewtwo destroyed the laboratory on New Island.

Remember we had plans to add her in Vol.5